def testStartStopTiming(self):
"""Tests the StartTiming and StopTiming functions."""
profiling_configuration = configurations.ProfilingConfiguration()
with shared_test_lib.TempDirectory() as temp_directory:
profiling_configuration.directory = temp_directory
test_profiler = profilers.CPUTimeProfiler(
'test', profiling_configuration)
test_profiler.Start()
for _ in range(5):
test_profiler.StartTiming('test_profile')
time.sleep(0.01)
test_profiler.StopTiming('test_profile')
test_profiler.Stop()
def StartProfiling(self, configuration, identifier, process_information):
"""Starts profiling.
Args:
configuration (ProfilingConfiguration): profiling configuration.
identifier (str): identifier of the profiling session used to create
the sample filename.
process_information (ProcessInfo): process information.
"""
if not configuration:
return
if configuration.HaveProfileParsers():
identifier = '{0:s}-parsers'.format(identifier)
self._cpu_time_profiler = profilers.CPUTimeProfiler(
identifier, configuration)
self._cpu_time_profiler.Start()
self._memory_profiler = profilers.MemoryProfiler(
identifier, configuration)
self._memory_profiler.Start()
self._process_information = process_information